misfire on 6 chevy 2011
1 Answer
Possible causes; Faulty spark plug (s), Faulty ignition coil, Clogged or faulty fuel injector, Intake air leak, Fuel injector harness is open or shorted, Fuel Injector circuit poor electrical connection, Ignition coil harness is open or shorted, Ignition coil circuit poor electrical connection, Insufficient cylinder compression Incorrect fuel pressure...a cylinder is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused. If no leak are found the next step is to replace the spark plugs. If the problem persists more tests needs to be done to diagnose problem.
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